thottle

As per title EPC light comin on then engine management light and car refuses to boost, any ideas anyone? checked plugs on thottle body ecu etc nothing to see also checked brake switch if revving and brake engine stops revs as it should, if its new thottle potentiometer time how much anyone? :(...

Hi All, Our 1.4MPI Mk1 Arosa needs a new Throttle Body. Has anyone ever done this? Is it an easy job for a home mechanic, or is there anything in the set up that would require specialist garage equipment? Thanks in advance, Stu